ZOOL 41082

>< Type/status : Compulsory course for the students who follow special degree programme in Zoology.
>< Title : Fisheries Biology and Aquaculture Management Laboratory
>< Pre-requisite : ZOOL 31022
>< Co-requisite : ZOOL 41076
>< Objectives: By the end of this course the students will be able to demonstrate practical knowledge in
* The fisheries of commercially important fish species in Sri Lanka, stock assessment methodologies and the use of computer software packages for fishery data analysis.
* Management of mono culture and polyculture systems with edible finfish and shellfish species in Sri Lanka, Shrimp hatchery and grow out management and management of an ornamental fish farm and Health management of cultured species.
>< Course contents:

Identification of fish stocks using morphometric and meristic characteristics, Qualititative and quantitative analysis of stomach contents of fish, Egg diameter distribution studies, Gonadsomatic indices and maturity scale, Fish stock assessment; Culturable finfish (freshwater, brackishwater and marine), shellfish (freshwater, brackishwater and marine), ornamental fish (freshwater, brackishwater), larval stages of freshwater prawn and shrimp with the feeding regime, live food and formulated food, feed formulation, induced breeding of cultured organisms and larval rearing, finfish and shellfish diseases, their prevention and control.

>< Methodology: A combination of practical work, field visits and analysis of fishery data manually and by using computer software packages.
>< Scheme of evaluation: End-of semester practical examination and assessment of assigned reports.
>< Recommended reading:
1. King, M. (1995) Fisheries Biology, Assessment and Management. Fishing News Books, Oxford.
2. Pauly D. (1984) Fish Population Dynamics in Tropical Waters: A Manual for Use with Programmable Calculators. ICLARM, Manila.
3. Pitcher T.J. and Hart P.J.B. (1982) Fisheries Ecology. Croom Helm. London.
4. Lightner D.V. (1996) A Handbook of Pathology and diagnostic procedure for diseases of Penaeid shrimp. The World Aquaculture Society, Louisiana.
5. Shepherd, C.J. and Bromage, N.R. (1992) Intensive Fish Farming. Blackwell Science, Oxford.
6. Axelrod H.R. (1989) Handbook of Fish Diseases. TFH Publishers, Oxford.

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